87881235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1663}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 152076288

約数和(自身を除く): 64195053

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 271, 813, 1355, 1663, 3523, 4065, 4989, 8315, 10569, 17615, 21619, 24945, 52845, 64857, 108095, 324285, 450673, 1352019, 2253365, 5858749, 6760095, 17576247, 29293745, 87881235]

約数ペア:

[(1, 87881235), (3, 29293745), (5, 17576247), (13, 6760095), (15, 5858749), (39, 2253365), (65, 1352019), (195, 450673), (271, 324285), (813, 108095), (1355, 64857), (1663, 52845), (3523, 24945), (4065, 21619), (4989, 17615), (8315, 10569)]